According to the warrant for his arrest, Rosa was in the back seat of a tan Honda Accord and fired a round into the back of Martinez's head and shot Jimenez in his right arm.

The shooting was in retaliation for a Dec. 14, 2014, slaying at 35 Bond St., in which Mariano "Papa" Gonzalez, 37, was shot and killed, the warrant says. Rosa was a relative or close friend of Gonzalez, the warrant says.

Martinez and Jimenez were involved in Gonzalez's killing, and Martinez was the alleged shooter, according to the warrant.

Jimenez told police that Martinez had been robbed by Mariano Gonzalez and that Gonzalez threatened to kill Martinez's wife and kids, according to the warrant. Martinez also admitted to Jimenez, that he killed Mariano Gonzalez, the warrant says.

Martinez was killed in retaliation for killing Mariano Gonzalez, Jimenez told detectives, according to the warrant.

In an interview with police, Rosa said that he knew Gonzalez and his brother, Joel "Tuti" Gonzalez, but that he was not close to the men, did not associate with them and was not related to them. Police obtained search warrants for Rosa's cellphone and phone records, which showed that Rosa had been contact with Joel Gonzalez. A contact on his phone was listed for "Cuz Tuti new," and the number belonged to Joel Gonzalez, the warrant says.

Rosa also acknowledged being in a car with Martinez and Jimenez shortly before Martinez was killed, but denied shooting the men.